/* ============================================
   COMPONENTS — Buttons, Cards, Badges, Forms
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--text-inverse);
  box-shadow: 0 4px 15px rgba(60, 145, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(95, 30, 190, 0.4);
  color: var(--text-inverse);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: var(--color-gray-100);
  color: var(--text-primary);
}

.btn-success {
  background: var(--color-success);
  color: var(--text-inverse);
}
.btn-success:hover {
  background: #15803d;
}

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-lg);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ---- App Cards ---- */
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  position: relative;
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-light);
}

.app-card-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--color-gray-100);
}

.app-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.app-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  object-fit: contain;
  background: var(--color-gray-50);
  padding: 6px;
}

.app-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.app-card-category {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.app-card-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  flex: 1;
}

.app-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

.app-card-price {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
}
.app-card-price span {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-tertiary);
}

.app-card-rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.app-card-rating .stars {
  color: #f59e0b;
}

/* Coming Soon overlay */
.app-card.coming-soon {
  opacity: 0.85;
}
.app-card.coming-soon:hover {
  transform: translateY(-3px);
}

.coming-soon-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: linear-gradient(135deg, var(--color-accent), #a855f7);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  z-index: 2;
  box-shadow: 0 2px 10px rgba(95, 30, 190, 0.3);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.5;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-accent {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* Cart badge */
.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  color: white;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(60, 145, 255, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 5.646a.5.5 0 0 1 .708 0L8 8.293l2.646-2.647a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-help {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.field-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Star rating input */
.star-rating {
  display: flex;
  gap: var(--space-1);
  flex-direction: row-reverse;
  justify-content: flex-end;
}
.star-rating input {
  display: none;
}
.star-rating label {
  font-size: 1.75rem;
  color: var(--color-gray-300);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
  color: #f59e0b;
}

/* ---- Toast Notification ---- */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 280px;
  max-width: 400px;
  animation: toast-in 0.3s ease forwards;
  font-size: var(--text-sm);
}

.toast.toast-out {
  animation: toast-out 0.3s ease forwards;
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-error); }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-base);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

/* ---- Auth Tabs (Sign In / Sign Up) ---- */
.auth-tabs {
  display: flex;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: var(--space-5);
  gap: 4px;
}

.auth-tab {
  flex: 1;
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-tertiary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
  cursor: pointer;
  background: none;
  border: none;
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.active {
  background: white;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.auth-panel {
  display: none;
}

.auth-panel.active {
  display: block;
  animation: text-reveal 0.3s ease forwards;
}

/* ---- Divider ---- */
.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--space-8) 0;
}

/* ---- Pricing Card ---- */
.pricing-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card.recommended {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-lg);
}

.pricing-card.recommended::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.selected-plan {
  border-color: #10B981;
  box-shadow: 0 0 0 2px #10B981, 0 8px 30px rgba(16, 185, 129, 0.2);
  transform: translateY(-4px);
}

.pricing-plan-name {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.pricing-amount {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}
.pricing-amount .currency {
  font-size: var(--text-xl);
  vertical-align: super;
}
.pricing-amount .period {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-tertiary);
}

.pricing-features {
  text-align: left;
  margin: var(--space-6) 0;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-features li svg {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- Success Message ---- */
.form-success {
  text-align: center;
  padding: var(--space-12) var(--space-4);
}

.form-success-icon {
  width: 64px;
  height: 64px;
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.form-success h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.form-success p {
  margin: 0 auto;
  color: var(--text-secondary);
}